<template> 
  <div class="app-container">
    <!-- header头部区域 -->
    <mt-header fixed title="刘凡--app项目">
		<span slot="left" @click="goback" v-show="flag">
    		<mt-button icon="back">返回</mt-button>
		</span>
	</mt-header>
  

	<!-- 中间的路由router-view区域 -->
    <transition>
	  	<router-view></router-view>
	 </transition>
    <!-- main主体部分 -->

    <!-- footer页脚部分 -->
    <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge" id="badge">6</span></span>
				<span class="mui-tab-label ">购物车</span>
			</router-link>
			<router-link class="mui-tab-item" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
  </div>
</template>
<script>
export default {
  data(){
	  return {
		  flag:false
	  };
  },
  methods:{
	  //点击后退
	  goback(){
		  this.$router.go(-1)
	  }
  },
  created(){
	  this.flag = this.$router.path === '/home' ? false : true
  },
  watch:{
	  "$route.path":function(newVal){
		  if(newVal === "/home"){
			  this.flag = false;
		  }else{
			  this.flag = true;
		  }
	  }
  }
}
</script>
<style lang="stylus" scoped>
.app-container{
  padding-top: 40px;
  padding-bottom:50px;
  overflow-x:hidden;
 
}

.v-enter,{
	opacity:0;
	transform:translateX(100%);
}
.v-leave-to{
	opacity:0;
	transform:translateX(-100%);
	position:absolute;
}
.v-enter-active,
.v-leave-active{
	transition:all 0.5s ease;
}
</style>